Quantitative Evaluation of Top Coal Caving Methods at the Working Face of Extra-Thick Coal Seams Based on the Random Medium Theory

by Shi Jiulin, Zhang Quntao, Gao Xiaojin, Xue Jisheng
Published 2021-01-01

Analysis of the Progressively Enhanced Mine Pressure in the Fully Mechanized Top Coal Caving Work Face of a 20 m Ultra-Thick Coal Seam

by Shi Jiulin, Yan Shaohong, Xu Zhuhe, Xue Jisheng, Kaikai Zhao, Zheng Jianwei
Published 2021-01-01